1 /* $Id: rsisamc.c,v 1.33 2004-11-19 10:27:14 heikki Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
32 static RSFD r_open (RSET ct, int flag);
33 static void r_close (RSFD rfd);
34 static void r_delete (RSET ct);
35 static int r_read (RSFD rfd, void *buf, TERMID *term);
36 static int r_write (RSFD rfd, const void *buf);
37 static void r_pos (RSFD rfd, double *current, double *total);
39 static const struct rset_control control =
52 const struct rset_control *rset_kind_isamc = &control;
59 struct rset_isamc_info {
64 static int log_level = 0;
65 static int log_level_initialized = 0;
67 RSET rsisamc_create( NMEM nmem, const struct key_control *kcontrol, int scope,
68 ISAMC is, ISAMC_P pos, TERMID term)
70 RSET rnew = rset_create_base(&control, nmem, kcontrol, scope,term);
71 struct rset_isamc_info *info;
72 if (!log_level_initialized)
74 log_level = yaz_log_module_level("rsisamc");
75 log_level_initialized = 1;
77 info = (struct rset_isamc_info *) nmem_malloc(rnew->nmem,sizeof(*info));
81 yaz_log(log_level, "create: term=%p", term);
85 static void r_delete (RSET ct)
87 yaz_log(log_level, "rsisamc_delete");
91 RSFD r_open (RSET ct, int flag)
93 struct rset_isamc_info *info = (struct rset_isamc_info *) ct->priv;
95 struct rset_pp_info *ptinfo;
97 yaz_log(log_level, "risamc_open");
98 if (flag & RSETF_WRITE)
100 yaz_log(YLOG_FATAL, "ISAMC set type is read-only");
103 rfd = rfd_create_base(ct);
105 ptinfo = (struct rset_pp_info *)rfd->priv;
107 ptinfo = (struct rset_pp_info *) nmem_malloc (ct->nmem,sizeof(*ptinfo));
109 ptinfo->buf = nmem_malloc (ct->nmem,ct->keycontrol->key_size);
111 ptinfo->pt = isc_pp_open(info->is, info->pos);
115 static void r_close (RSFD rfd)
117 struct rset_pp_info *p = (struct rset_pp_info *)(rfd->priv);
120 rfd_delete_base(rfd);
124 static int r_read (RSFD rfd, void *buf, TERMID *term)
126 struct rset_pp_info *p = (struct rset_pp_info *)(rfd->priv);
128 r = isc_pp_read(p->pt, buf);
130 *term = rfd->rset->term;
131 yaz_log(log_level,"read returning term %p", *term);
135 static int r_write (RSFD rfd, const void *buf)
137 yaz_log(YLOG_FATAL, "ISAMC set type is read-only");
141 static void r_pos (RSFD rfd, double *current, double *total)
143 *current = -1; /* sorry, not implemented yet */